<template>
    <div class="register">
        <el-form
            ref="registerRef"
            :model="registerForm"
            :rules="registerRules"
            class="register-form"
        >
            <h3 class="title">RuoYi-Diygw速搭</h3>
            <el-form-item prop="username">
                <el-input
                    v-model="registerForm.username"
                    type="text"
                    size="large"
                    auto-complete="off"
                    placeholder="账号"
                >
                    <template #prefix>
                        <svg-icon icon-class="user" class="el-input__icon input-icon" />
                    </template>
                </el-input>
            </el-form-item>
            <el-form-item prop="password">
                <el-input
                    v-model="registerForm.password"
                    type="password"
                    size="large"
                    auto-complete="off"
                    placeholder="密码"
                    @keyup.enter="handleRegister"
                >
                    <template #prefix>
                        <svg-icon icon-class="password" class="el-input__icon input-icon" />
                    </template>
                </el-input>
            </el-form-item>
            <el-form-item prop="confirmPassword">
                <el-input
                    v-model="registerForm.confirmPassword"
                    type="password"
                    size="large"
                    auto-complete="off"
                    placeholder="确认密码"
                    @keyup.enter="handleRegister"
                >
                    <template #prefix>
                        <svg-icon icon-class="password" class="el-input__icon input-icon" />
                    </template>
                </el-input>
            </el-form-item>
            <el-form-item prop="code" v-if="captchaEnabled">
                <el-input
                    size="large"
                    v-model="registerForm.code"
                    auto-complete="off"
                    placeholder="验证码"
                    style="width: 63%"
                    @keyup.enter="handleRegister"
                >
                    <template #prefix>
                        <svg-icon icon-class="validCode" class="el-input__icon input-icon" />
                    </template>
                </el-input>
                <div class="register-code">
                    <img :src="codeUrl" @click="getCode" class="register-code-img" />
                </div>
            </el-form-item>
            <el-form-item style="width: 100%">
                <el-button
                    :loading="loading"
                    size="large"
                    type="primary"
                    style="width: 100%"
                    @click.prevent="handleRegister"
                >
                    <span v-if="!loading">注 册</span>
                    <span v-else>注 册 中...</span>
                </el-button>
                <div style="float: right">
                    <router-link class="link-type" :to="'/login'">使用已有账户登录</router-link>
                </div>
            </el-form-item>
        </el-form>
        <!--  底部  -->
        <div class="el-register-footer">
            <span>Copyright © 2018-2022 ruoyi.vip All Rights Reserved.</span>
        </div>
    </div>
</template>

<script setup>
    import { ElMessageBox } from 'element-plus';
    import { getCodeImg, register } from '@/api/login';

    const router = useRouter();
    const { proxy } = getCurrentInstance();

    const registerForm = ref({
        username: '',
        password: '',
        confirmPassword: '',
        code: '',
        uuid: '',
        user_type: 'sys_user'
    });

    const equalToPassword = (rule, value, callback) => {
        if (registerForm.value.password !== value) {
            callback(new Error('两次输入的密码不一致'));
        } else {
            callback();
        }
    };

    const registerRules = {
        username: [
            { required: true, trigger: 'blur', message: '请输入您的账号' },
            { min: 2, max: 20, message: '用户账号长度必须介于 2 和 20 之间', trigger: 'blur' }
        ],
        password: [
            { required: true, trigger: 'blur', message: '请输入您的密码' },
            { min: 5, max: 20, message: '用户密码长度必须介于 5 和 20 之间', trigger: 'blur' }
        ],
        confirmPassword: [
            { required: true, trigger: 'blur', message: '请再次输入您的密码' },
            { required: true, validator: equalToPassword, trigger: 'blur' }
        ],
        code: [{ required: true, trigger: 'change', message: '请输入验证码' }]
    };

    const codeUrl = ref('');
    const loading = ref(false);
    const captchaEnabled = ref(true);

    function handleRegister() {
        proxy.$refs.registerRef.validate(valid => {
            if (valid) {
                loading.value = true;
                register(registerForm.value)
                    .then(res => {
                        const username = registerForm.value.username;
                        ElMessageBox.alert(
                            "<font color='red'>恭喜你，您的账号 " +
                                username +
                                ' 注册成功！</font>',
                            '系统提示',
                            {
                                dangerouslyUseHTMLString: true,
                                type: 'success'
                            }
                        )
                            .then(() => {
                                router.push('/login');
                            })
                            .catch(() => {});
                    })
                    .catch(() => {
                        loading.value = false;
                        if (captchaEnabled) {
                            getCode();
                        }
                    });
            }
        });
    }

    function getCode() {
        getCodeImg().then(res => {
            captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
            if (captchaEnabled.value) {
                codeUrl.value = 'data:image/gif;base64,' + res.img;
                registerForm.value.uuid = res.uuid;
            }
        });
    }

    getCode();
</script>

<style lang="scss" scoped>
    .register {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100%;
        background-image: url('../assets/images/login-background.jpg');
        background-size: cover;
    }
    .title {
        margin: 0px auto 30px auto;
        text-align: center;
        color: #707070;
    }

    .register-form {
        border-radius: 6px;
        background: #ffffff;
        width: 400px;
        padding: 25px 25px 5px 25px;
        .el-input {
            height: 40px;
            input {
                height: 40px;
            }
        }
        .input-icon {
            height: 39px;
            width: 14px;
            margin-left: 0px;
        }
    }
    .register-tip {
        font-size: 13px;
        text-align: center;
        color: #bfbfbf;
    }
    .register-code {
        width: 33%;
        height: 40px;
        float: right;
        img {
            cursor: pointer;
            vertical-align: middle;
        }
    }
    .el-register-footer {
        height: 40px;
        line-height: 40px;
        position: fixed;
        bottom: 0;
        width: 100%;
        text-align: center;
        color: #fff;
        font-family: Arial;
        font-size: 12px;
        letter-spacing: 1px;
    }
    .register-code-img {
        height: 40px;
        padding-left: 12px;
    }
</style>
